diff --git a/backup-tools/Dockerfile b/backup-tools/Dockerfile
index f8519b0..cdd831e 100644
--- a/backup-tools/Dockerfile
+++ b/backup-tools/Dockerfile
@@ -1,7 +1,7 @@
 #
 # Base image
 #
-FROM --platform=linux/amd64 debian:12-slim
+FROM --platform=linux/amd64 debian:13-slim@sha256:28de0877c2189802884ccd20f15ee41c203573bd87bb6b883f5f46362d24c5c2
 
 ARG http_proxy=${http_proxy:-}
 ARG https_proxy=${https_proxy:-}
diff --git a/k8s-tools/Dockerfile b/k8s-tools/Dockerfile
index bd3b4ec..bed097e 100644
--- a/k8s-tools/Dockerfile
+++ b/k8s-tools/Dockerfile
@@ -1,7 +1,7 @@
 #
 # Base image
 #
-FROM --platform=linux/amd64 debian:bullseye
+FROM --platform=linux/amd64 debian:trixie@sha256:d07d1b51c39f51188e60be9b64e6bf769fa94e187f092bc32b91305cfa34ba5a
 
 ARG http_proxy=${http_proxy:-}
 ARG https_proxy=${https_proxy:-}
diff --git a/outscale-cli/Dockerfile b/outscale-cli/Dockerfile
index 587587d..457d551 100644
--- a/outscale-cli/Dockerfile
+++ b/outscale-cli/Dockerfile
@@ -1,7 +1,7 @@
 #
 # Base image
 #
-FROM --platform=linux/amd64 debian:12-slim
+FROM --platform=linux/amd64 debian:13-slim@sha256:28de0877c2189802884ccd20f15ee41c203573bd87bb6b883f5f46362d24c5c2
 
 ARG http_proxy=${http_proxy:-}
 ARG https_proxy=${https_proxy:-}